fix: Réintégration du bouton de Bilan de compétence + harmonisation des paths d'upload de fichier

Front-End/src/app/[locale]/admin/grades/page.js

@@ -10,7 +10,8 @@ import {
   Pencil,
   Trash2,
   Save,
-  Download
+  Download,
+  FileText,
 } from 'lucide-react';
 import SectionHeader from '@/components/SectionHeader';
 import Table from '@/components/Table';
@@ -435,6 +436,37 @@ export default function Page() {
     );
   };
 
+  const getBilanForStudent = (student) => {
+    const bilans = Array.isArray(student?.bilans) ? student.bilans : [];
+    if (!bilans.length) return null;
+
+    const currentPeriodStr = currentPeriodValue
+      ? getPeriodString(
+          currentPeriodValue,
+          selectedEstablishmentEvaluationFrequency,
+          selectedSchoolYear
+        )
+      : null;
+
+    if (currentPeriodStr) {
+      const exact = bilans.find(
+        (bilan) => bilan?.period === currentPeriodStr && bilan?.file
+      );
+      if (exact) return exact;
+    }
+
+    const schoolYearSuffix = `_${selectedSchoolYear}`;
+    const sameYearBilans = bilans.filter(
+      (bilan) => bilan?.file && bilan?.period?.endsWith(schoolYearSuffix)
+    );
+
+    if (!sameYearBilans.length) return null;
+
+    return [...sameYearBilans].sort(
+      (a, b) => new Date(b.created_at || 0) - new Date(a.created_at || 0)
+    )[0];
+  };
+
   const columns = [
     { name: 'Photo', transform: () => null },
     { name: 'Élève', transform: () => null },
@@ -510,8 +542,23 @@ export default function Page() {
           <span className="text-gray-400 text-xs">0</span>
         );
       case 'Actions':
+        const bilan = getBilanForStudent(student);
+
         return (
           <div className="flex items-center justify-center gap-2">
+            {bilan?.file && (
+              <a
+                href={getSecureFileUrl(bilan.file)}
+                target="_blank"
+                rel="noopener noreferrer"
+                onClick={(e) => e.stopPropagation()}
+                className="flex items-center gap-1 px-2 py-1 rounded text-xs font-medium bg-cyan-100 text-cyan-700 hover:bg-cyan-200 transition whitespace-nowrap"
+                title={`Télécharger le bilan de compétences (${bilan.period})`}
+              >
+                <FileText size={14} />
+                Bilan
+              </a>
+            )}
             <button
               onClick={(e) => {
                 e.stopPropagation();

Front-End/src/app/[locale]/admin/grades/studentCompetencies/page.js

@@ -70,7 +70,7 @@ export default function StudentCompetenciesPage() {
           'success',
           'Succès'
         );
-        router.push(`/admin/grades/${studentId}`);
+        router.push('/admin/grades');
       })
       .catch((error) => {
         showNotification(